"no_empty_block" causes default functions in protocols to be detected

[inotetw]

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New Issue Checklist

• [x] Updated SwiftLint to the latest version 0.56.1
• [x] I searched for existing GitHub issues
• yes

The rule "no_empty_block" causes default functions in protocols to be detected. It should specifically exclude functions in protocols from this detection.

for example

protocol Animal {
    func run()
}
extension Animal {
    func run() {}
}

[SimplyDanny]

The thing is that SwiftLint doesn't know that extension Animal is an extension of a protocol as it works only on the syntax level.

I wonder, though, why you think the rule shouldn't trigger in this case. The fact that the default behavior of a method is to do nothing, doesn't seem obvious and could be worth a comment. This would already silence the rule.